<!DOCTYPE html>
<html lang="">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width,initial-scale=1.0" />
    <style>
      * {
        padding: 0;
        margin: 0;
        box-sizing: border-box;
        list-style: none;
        font-family: "puhui";
      }

      #app {
        width: 100vw;
        height: 100vh;
        overflow: hidden;
      }
    </style>
  </head>
  <body>
    <div id="app"></div>
  </body>
</html>
